Shared Office Space, Poor Ventilation

The Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have found that moderately high indoor concentrations of carbon dioxide (CO2) can significantly impair people’s decision-making performance. In test subjects, the most dramatic declines in performance were for taking initiative and thinking strategically. The primary source of indoor CO2 is humans. So, a lot of people crammed in a small space produces too much Carbon Dioxide, brains aren't getting as much oxygen as they need. So spread out or open some windows to improve ventilation (and brain function).